<!DOCTYPE html>
<html>
<head>
	<title>bookstrap</title>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/css/bootstrap.min.css">
	<script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
	<script src="https://cdn.staticfile.org/popper.js/1.12.5/umd/popper.min.js"></script>
	<script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script>
	<link rel="stylesheet" type="text/css" href="css/index.css">
	<link href="https://cdn.bootcss.com/Swiper/4.5.0/css/swiper.css" rel="stylesheet">

</head>
<body>
	<div class="sf-header">
		<nav class="container">
			<div class="row">
			<div class="col-sm-8 col-md-9 col-lg-9">
				<div class="navbar navbar-expand-lg navbar-light">
				  <a class="navbar-brand" href="#"></a>
				  <div class="collapse navbar-collapse" id="navbarSupportedContent">
				    <ul class="navbar-nav col-sm-7">
				      <li class="nav-item active">
				        <a class="nav-link" href="#">首页 <span class="sr-only">(current)</span></a>
				      </li>
				      <li class="nav-item">
				        <a class="nav-link" href="#">问答</a>
				      </li>
				      <li class="nav-item">
				        <a class="nav-link" href="#">专栏</a>
				      </li>
				      <li class="nav-item">
				        <a class="nav-link" href="#">讲堂</a>
				      </li>
				      <li class="nav-item">
				        <a class="nav-link" href="#">圈子</a>
				      </li>
				      <li class="nav-item dropdown">
				        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
				          发现
				        </a>
				        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
				          <a class="dropdown-item" href="#">Action</a>
				          <a class="dropdown-item" href="#">Another action</a>
				          <div class="dropdown-divider"></div>
				          <a class="dropdown-item" href="#">Something else here</a>
				        </div>
				      </li>
				    </ul>
					<form class="form-inline search-bar">
					    <input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
					    <button class="btn  btn-link" type="submit">🔍</button>
					</form>
				  </div>
				</div>
			</div>
			<div class="col-sm-4 col-md-3 col-lg-3 text-center hidden-xs nav-login">
				<div class="opts-login">
					<a href="#" class="nav-links">立即登录</a>
					<a href="#" class="nav-links">免费注册</a>
				</div>
			</div>
		</nav>
	</div>
	<div class="alert loginBanner fade show " id="loginBanner" role="alert">
	  <div class="container bg-close">
	  	<div class="row">
		  	<div class="col-lg-6 col-md-7">
			  	<h1 class="title">在 SegmentFault，学习技能、解决问题</h1>
			  	<p class="desc">每个月，我们帮助 1000 万的开发者解决各种各样的技术问题。并助力他们在技术能力、职业生涯、影响力上获得提升。</p>
		    </div>
		</div>
	  </div>
	  <button type="button" class="close bannerclose" data-dismiss="alert" aria-label="Close">
	    <span aria-hidden="true">&times;</span>
	  </button>
	</div>
	<div class="container">
		<div class="row">
				<div class="col-xs-12 col-md-9 main">
					<ul class="nav nav-tabs">
						<li class="nav-item"><a href="#" class="nav-link active" >最新回答</a></li>
						<li class="nav-item"><a href="#" class="nav-link " >等待回答</a></li>
						<li class="nav-item"><a href="#" class="nav-link " >热门回答</a></li>
						<li class="nav-item"><a href="#" class="nav-link " >¥ 付费回答</a></li>
					</ul>
				</div>
				<div class="col-xs-12 col-md-3 side mt30">
					<div class="alert alert-warning" role='alert'>
						斯否demo上线
					</div>
					<div class="right-bar-ad">
						<img src="https://static.segmentfault.com/sponsor/20190505.png" style="width: 255px; height: 136px;">
						<a href="#" style="display:block; text-decoration: none;font-size: 13px;color: #999;text-align: center;">想放广告？先给钱</a>
					</div>
				</div>
		</div>
	</div>
</body>

</html>